. >> coming up next a discovery from nasa rover on mars. >> new signs the red planet might have the r >>> nasa announced a break through in the search fr live on mars and some research was done here in the bay area. more now from mountain view. it's been seven months since the rover landed on mars as depicted in this animation. now, for the first time, scientists have used the tiny drill... and discovered what is beneath the surface isn't red. >> when we drill just inches down into the ground, the ground went from red to gray. amazing. >> more is mazing is what the onboard x ray found. >> a near neutral environment and slightly salty liquid water. all needed to support live. >> in a announcement nasa scientists showed off the findings that 3.5 billion years ago mars likely had an environment sim tloor present day earth that could have supported live. >> showed not only water but fresh enough that microbes would have a easy live of living there eefdz live on mars would have been possible. scientists have their work cut out for them to figure out if that life ever existed. >> this is sa